Web front-end

Employing a test-driven development (TDD) approach in React projects tends to be straightforward, especially with the aid of Jest and Enzyme. However, there are a few things to look out for. In this article, Toptal JavaScript Developer Dave Hyungmok Lee demonstrates his React TDD process, from epics and user stories to development and production.

A relatively recent addition to React, hooks have already changed React development for the better through improved code readability and state management. But how do we test them? In this article, Toptal React Developer Avi Aryan outlines why it is crucial to test hooks and introduces us to his React Hooks testing routine.

Missing the luxury of a good, old-fashioned remote control when the laptop is beyond easy reach? Transform your old smartphone into a remote and learn some basic Node.js/Express/Pug along the way.

Hooks have already changed the way we use React for the better. Add TypeScript to the mix, and developers can leverage static typing and type transformations to reduce the noise of many interface descriptions. In this article, Toptal Software Developer Nicolas Zozol demonstrates hooks and TypeScript in React and explains how this powerful combo can save time and streamline your code.

"Every year the internet breaks," goes the saying, and developers usually have to go and fix it. Is this true when it comes to the long-awaited Angular version 9?

Mobile and web applications typically need a back-end server, which requires maintenance, updates, backups, and more. So why not dispense with them? In this article, Toptal Java Developer Phillip Edwards outlines how you can use Google Firebase to develop serverless applications without incurring a lot of costs.

Toptal's JavaScript Speed Coding Challenge invited creative solutions from the beginning. As the week played out, competitors got closer and closer to the maximum theoretical score. Then something unexpected happened...

Inspired by stale-while-revalidate cache control logic, modern sites implement stale-while-refresh logic on the UI side. Thankfully, React Hooks make this logic painlessly reusable across components.